Home / 6,486.44-9,727.61-2,102.99

Finding the Fourth Proportional to 6,486.44, 9,727.61 and 2,102.99

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Solution

The fourth proportional to 6,486.44, 9,727.61 and 2,102.99 is: 3,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.44 : 9,727.61 = 2,102.99 : x
  2. Step 2: Convert to fraction form
    6,486.44/9,727.61 = 2,102.99/x
  3. Step 3: Cross multiply
    6,486.44x = 9,727.61 × 2,102.99
  4. Step 4: Simplify right side
    6,486.44x = 20,457,007.40
  5. Step 5: Solve for x
    x = 20,457,007.40/6,486.44
  6. Step 6: Final answer
    x = 3,153.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.